Diethylhydrogensilyl-cyclic diethylsilylene Derivatives in gas chromatography/mass spectrometry of prostanoids. IV. 11-Dehydrothromboxane B2.

Watanabe, Keiko; Ishibashi, Masataka; Harima, Noriaki; Krolik, Stefan

doi:10.1248/cpb.37.140

Cited by 3 publications

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“…(Adapted from Watanabe et al. ()) and (c) the methyl ester/diethylsilylene/DES derivative of prostaglandin F 1α ( 265 ). (Adapted from Ishibashi et al.…”

Section: Other Silyl Derivativesmentioning

confidence: 99%

“…The two remaining hydroxyl groups were converted into the cyclic diethylsilylene structure 264 , Fig. b) (Watanabe et al, ). Although the structure of this derivative was similar to that of the methyl oxime ( 263 ), the spectrum (Fig.…”

Section: Other Silyl Derivativesmentioning

confidence: 99%

“…(Adapted from Ishibashi et al (1986b)), (b) the methyl ester/n-propylamide/diethylsilylene derivative of 11-dehydrothromboxane B 2 (264). (Adapted from Watanabe et al (1989)) and (c) the methyl ester/ diethylsilylene/DES derivative of prostaglandin F 1α (265). (Adapted from Ishibashi et al (1987b)).…”

Section: ▪ Harvey and Vourosmentioning

confidence: 99%

“…SCHEME 193. Proposed mechanism (Watanabe et al, 1989) for the production of the fragment ions at m/z 368 (pd) and 268 (pe) from the methyl ester/N-propylamide/diethylsilylene/DES derivative of thromboxane B 2 . SCHEME 194.…”

Section: Ive3 Cyclic-di-tert-butylsilylene Derivativesmentioning

confidence: 99%

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Mass Spectrometric Fragmentation of Trimethylsilyl and Related Alkylsilyl Derivatives

Harvey

Vouros

2019

Mass Spectrometry Reviews

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This review describes the mass spectral fragmentation of trimethylsilyl (TMS) and related alkylsilyl derivatives used for preparing samples for analysis, mainly by combined gas chromatography and mass spectrometry (GC/MS). The review is divided into three sections. The first section is concerned with the TMS derivatives themselves and describes fragmentation of derivatized alcohols, thiols, amines, ketones, carboxylic acids and bifunctional compounds such as hydroxy‐ and amino‐acids, halo acids and hydroxy ethers. More complex compounds such as glycerides, sphingolipids, carbohydrates, organic phosphates, phosphonates, steroids, vitamin D, cannabinoids, and prostaglandins are discussed next. The second section describes intermolecular reactions of siliconium ions such as the TMS cation and the third section discusses other alkylsilyl derivatives. Among these latter compounds are di‐ and trialkyl‐silyl derivatives, various substituted‐alkyldimethylsilyl derivatives such as the tert‐butyldimethylsilyl ethers, cyclic silyl derivatives, alkoxysilyl derivatives, and 3‐pyridylmethyldimethylsilyl esters used for double bond location in fatty acid spectra. © 2019 Wiley Periodicals, Inc. Mass Spec Rev 0000:1–107, 2019

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“…(Adapted from Watanabe et al. ()) and (c) the methyl ester/diethylsilylene/DES derivative of prostaglandin F 1α ( 265 ). (Adapted from Ishibashi et al.…”

Section: Other Silyl Derivativesmentioning

confidence: 99%

Section: Other Silyl Derivativesmentioning

confidence: 99%